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Precision Bearings & Power Transmission

Engineered for Performance. Trusted by OEMs Across Europe, Asia, and the Americas.

Deep Groove Ball Bearing
Linear Guide Rail
Center Support Bearing
Ball Bearing Assortment
Pulley Bearing
Steering Coupling Joint

About DDB-Tech

DDB-Tech represents the global outreach of Ningbo CIE Industry and Trade Co., Ltd., a trusted manufacturer of high-precision bearings and power transmission components since 1996. With over 17 years of export experience, we specialize in automotive and industrial bearing solutions trusted by OEMs across Europe, Asia, and North America.

Our CIE brand, established in 1988, has evolved into a symbol of reliability, durability, and engineering excellence. From wheel hub units to linear guide rails, our products are engineered to meet the most demanding performance standards in automotive, industrial automation, and precision machinery applications.

17+
Years Export Experience
1988
CIE Brand Founded
Global
OEM Installations

Our Product Lines

Center Support Bearing

Automobile Center Support Bearing

High-load capacity support for drivetrain systems, ensuring smooth power transmission and reduced vibration.

Deep Groove Ball Bearing

Deep Groove Ball Bearings

Versatile, high-speed bearings ideal for industrial motors, pumps, and general machinery applications.

Linear Guide Rail

Linear Guide Rail & Block

Precision motion systems for CNC machines, automation, and high-speed positioning equipment.

Angular Contact Bearing

Angular Contact Ball Bearings

Designed for combined radial and axial loads, ideal for high-speed spindles and gearboxes.

Window Pulley Bearing

Window & Door Pulley Bearings

Smooth-rolling pulley systems for architectural hardware, ensuring long-term durability.

Steering Coupling Joint

Recirculating Ball Steering Gears

Robust steering systems for heavy-duty and commercial vehicles, ensuring precise control.

Clutch Release Bearing

Clutch Release Bearings

High-temperature resistant bearings for smooth clutch engagement and extended service life.

Ball Screw

Ball Leading Screw Assemblies

High-efficiency linear motion conversion for automation, robotics, and precision machinery.

Tapered Roller Bearing

Tapered Roller Bearings

Heavy-duty bearings capable of handling high radial and axial loads in industrial applications.

Water Pump Bearing

Automotive Water Pump Bearings

Sealed, corrosion-resistant bearings designed for long life in engine cooling systems.

Front Wheel Hub Bearing

Front Wheel Hub Bearings

Precision-engineered hub units for safe, quiet, and reliable wheel rotation.

Needle Roller Bearing

Needle Roller Bearings

Compact, high-load capacity bearings ideal for tight spaces in automotive and industrial gearboxes.

Advanced Bearing Technology

Precision Engineering & Materials

Our bearings are manufactured using high-grade chrome steel, stainless steel, and advanced ceramic materials to deliver superior performance, corrosion resistance, and extended service life.

  • • High-precision grinding and superfinishing
  • • Sealed and shielded variants for contamination protection
  • • Custom lubrication options for extreme temperatures
  • • Strict ISO and ABEC tolerance standards

Bearing Configurations

Angular Contact
Duplex Pairs
Radial & Thrust
Self-Aligning
Special Non-Standard
1000+
Products
50+
Countries
1996
Founded
OEM
Approved

Frequently Asked Questions

What types of bearings do you manufacture?

We produce a full range including deep groove ball bearings, angular contact, tapered roller, cylindrical roller, needle roller, linear bearings, and custom non-standard designs for automotive and industrial use.

Are your products used by OEMs?

Yes, CIE brand bearings are installed as original equipment in vehicles and machinery across Europe, Asia, and the United States.

Can you customize bearings for specific applications?

Absolutely. We offer engineering support and can develop custom bearings based on your specifications, load requirements, and environmental conditions.

What materials are used in your bearings?

We use chrome steel, stainless steel, and ceramic materials depending on the application, ensuring optimal performance, durability, and resistance to wear and corrosion.

Get in Touch

For inquiries, technical support, or custom solutions, visit our official website to connect with our team.

Visit Official Website

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